Realizar un escaneo de puertos básico (nmap -F telecom.pt)
Nmap scan report for telecom.pt (194.65.61.54)
Host is up (0.15s latency).
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 6.13 seconds